About: PowerSwim

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http://dbpedia.org/describe/?url=http%3A%2F%2Fdbpedia.org%2Fresource%2FPowerSwim

The PowerSwim is a diver powered propulsion comprising two pairs of high aspect ratio hydrofoils in a device somewhat like two pairs of long thin airplane wings, one pair at each end of an axis. The axis is fastened to a scuba diver's shins by straps round the legs. The longer pair of wings (about 6 feet (1.8 m) wide or a bit less) is at the hips and the shorter pair is at the ankles. The wings rotate to a limited angle on axles near their front edges, and thus on upstroke and downstroke they propel water backwards. It is claimed that the length of the front wing lets it operate outside the cone of wake that starts at the diver's shoulders. It is claimed to let a scuba diver or swim much faster (250%) than with swimfins for the same amount of bodily effort, if used correctly, and being not

Attributes	Values
rdf:type	device
rdfs:label	PowerSwim (en)
rdfs:comment	The PowerSwim is a diver powered propulsion comprising two pairs of high aspect ratio hydrofoils in a device somewhat like two pairs of long thin airplane wings, one pair at each end of an axis. The axis is fastened to a scuba diver's shins by straps round the legs. The longer pair of wings (about 6 feet (1.8 m) wide or a bit less) is at the hips and the shorter pair is at the ankles. The wings rotate to a limited angle on axles near their front edges, and thus on upstroke and downstroke they propel water backwards. It is claimed that the length of the front wing lets it operate outside the cone of wake that starts at the diver's shoulders. It is claimed to let a scuba diver or swim much faster (250%) than with swimfins for the same amount of bodily effort, if used correctly, and being not (en)
dcterms:subject	Diver propulsion equipment
Wikipage page ID	23944864 (xsd:integer)
Wikipage revision ID	1058760818 (xsd:integer)
Link from a Wikipage to another Wikipage	California Institute of Technology Penguin Submersible Turtle Diver propulsion equipment DARPA Swimfin Hydrophone Scuba diver Wake (physics) Philip Dulhunty Scuba equipment
Link from a Wikipage to an external page	http://forums.deeperblue.com/freediving-equipment/72588-flying-underwater-blast-past.html http://www.rexresearch.com/powerswim/powerswim.html http://fksa.org/showthread.php%3Ft=4372 https://web.archive.org/web/20090304190242/http:/www.innerspacethrusters.com/Aqueon.htm https://web.archive.org/web/20090618120910/https:/forums.deeperblue.com/freediving-equipment/72588-flying-underwater-blast-past.html
sameAs	PowerSwim PowerSwim PowerSwim
dbp:wikiPageUsesTemplate	dbt:Cite_web dbt:Clarify dbt:Cn dbt:Convert dbt:Nihongo2 dbt:Refimprove dbt:Reflist dbt:Rp dbt:Short_description dbt:Swimming-stub
date	February 2017 (en)
reason	what is upstroke in this context, and why would the front wing hit the diver's hips (en)
has abstract	The PowerSwim is a diver powered propulsion comprising two pairs of high aspect ratio hydrofoils in a device somewhat like two pairs of long thin airplane wings, one pair at each end of an axis. The axis is fastened to a scuba diver's shins by straps round the legs. The longer pair of wings (about 6 feet (1.8 m) wide or a bit less) is at the hips and the shorter pair is at the ankles. The wings rotate to a limited angle on axles near their front edges, and thus on upstroke and downstroke they propel water backwards. It is claimed that the length of the front wing lets it operate outside the cone of wake that starts at the diver's shoulders. It is claimed to let a scuba diver or swim much faster (250%) than with swimfins for the same amount of bodily effort, if used correctly, and being not motorized, it makes no motor noise to be heard by hostile hydrophones, but noise would occur if the front wings are allowed to hit the diver's hips at end of upstroke. It works somewhat like a penguin's or turtle's front flippers. Its estimated cost is less than $500. The diver uses it by moving his legs up and down together, letting the knees bend and straighten. It was developed by DARPA in 2007. (en)
gold:hypernym	Device
prov:wasDerivedFrom	wikipedia-en:PowerSwim?oldid=1058760818&ns=0
page length (characters) of wiki page	3792 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:PowerSwim
is Link from a Wikipage to another Wikipage of	Aqueon Philip Dulhunty Powerswim
is Wikipage redirect of	Aqueon Powerswim
is foaf:primaryTopic of	wikipedia-en:PowerSwim

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